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From: | hanwen |
Subject: | [Discuss-gnuradio] Re: How to set the timestamp for synchronize transmitting with multiple USRP2. |
Date: | Tue, 3 Nov 2009 13:47:27 +0100 |
Hi Talents,We are trying to synchronize multiple USRP2s for MIMO transmision. Common 10MHz clock and 1PPS are used, as well as sync_to_pps() and config_mimo(usrp2.MC_WE_LOCK_TO_SMA).We tried to set the metadata of packets in order to specify a starting point of transmssion.usrp2::tx_metadata md;
md.timestamp = 99999999;
md.start_of_burst = 1;
md.send_now = 0;But it just doesn't work? If it is possible to synchronize the transmission, could you tell us how?Bests,Hanwen
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